Home / 480,411.20-662,944.54-262,631.11

Finding the Fourth Proportional to 480,411.20, 662,944.54 and 262,631.11

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Solution

The fourth proportional to 480,411.20, 662,944.54 and 262,631.11 is: 362,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,411.20 : 662,944.54 = 262,631.11 : x
  2. Step 2: Convert to fraction form
    480,411.20/662,944.54 = 262,631.11/x
  3. Step 3: Cross multiply
    480,411.20x = 662,944.54 × 262,631.11
  4. Step 4: Simplify right side
    480,411.20x = 174,109,859,752.06
  5. Step 5: Solve for x
    x = 174,109,859,752.06/480,411.20
  6. Step 6: Final answer
    x = 362,418.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.